<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8" />
    <title>登录</title>
</head>
<body>

<form method="post" action="/login">
    <input name="username" type="text" value="user"/>
    <input name="password" type="text" value="user" />
    <button type="submit"> 登录</button>
</form>

</body>
</html>